package bbalgae;

public class J05_Circle {

	public static void main(String[] args) {
		
		final float pi = 3.14F; //원주율
		int radius = 5; //반지름
		float round = 0; //둘레
		float area = 0; //넓이
		String d = "반지름 : ";
		String a = "넓이는 : ";
		String r = "둘레는: ";
		round = 2*pi*radius;
		area = pi*(radius*radius);
		
		System.out.println(d+radius);
		System.out.println(r+round);
		System.out.println(a+area);
	}

}
